iRuler customizable ruler

**There will be no more updates to this page. [Go to the new GitHub page for the latest updates.](https://github.com/DrLex0/print3d-iRuler)**

Did you ever have an acute need for a custom ruler that is exactly two centimeters long? Or does everyone keep on stealing your rulers because there is no permanent way to tag them? This [customizable](https://www.thingiverse.com/apps/customizer/run?thing_id=1902359) iRuler with will solve all your problems!

This is a remix of stu121's customizable r